RCT: Vitamin D, strength, and exercise in COPD patients

A new analysis of a randomized controlled trial has found that vitamin D helps inspiratory muscle strength and peak exercise tolerance in chronic obstructive pulmonary disease (COPD) patients.

The study, published in the journal Respiratory Research and led by Dr Miek Hornikx and colleagues of the University Hospital Gasthuisberg in Belgium, studied a subgroup of patients that were administered 100,000 IU of vitamin D per month for a year and participated in a three month rehabilitation program at the beginning of the study.

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